On other distros it will copy all the files of /etc/skel to the home directory when you create a new user with "adduser", but the busybox-version doesn't.
Normally you have "useradd" which merely creates a user and "adduser" which creates a home directory and other things…

Most Linux CLI-tools on the WDWB are handled by busybox (hence its name) and are replaced by symbolic links that refer to busybox